Games like Dark Light
Games like Dark Light include Portal 2, Portal, LIMBO, Viewfinder, and Little Nightmares. We matched them by the tags players give Dark Light on Steam (Strategy, 3D Platformer, Puzzle Platformer, Puzzle, and Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Viewfinder
Shared: Puzzle Platformer · Puzzle · First-Person

Little Nightmares
Shared: Puzzle Platformer · Adventure · Puzzle

INSIDE
Shared: Puzzle Platformer · Atmospheric · Adventure

A Story About My Uncle
Shared: Adventure · First-Person · 3D Platformer

Quantum Conundrum
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Supraland
Shared: Puzzle Platformer · Adventure · Puzzle

The Ball
Shared: 3D Platformer · Puzzle Platformer · Strategy

COCOON
Shared: Puzzle · Adventure · Puzzle Platformer

Little Nightmares II
Shared: Puzzle · Adventure · Puzzle Platformer

The Last Campfire
Shared: Puzzle · Adventure · 3D Platformer

Seen
Shared: Puzzle · Adventure · Platformer

Refunct
Shared: 3D Platformer · Puzzle Platformer · Platformer

Polarity
Shared: Puzzle · Strategy · First-Person

Shady Part of Me
Shared: Puzzle · Platformer · 3D Platformer

Climb The Backrooms
Shared: 3D Platformer · Adventure · Puzzle

Buckshot Roulette
Shared: Strategy · First-Person · 3D

Moncage
Shared: Puzzle · Adventure · Indie

Q.U.B.E: Director's Cut
Shared: Puzzle · Adventure · First-Person

Chained Together
Shared: Platformer · Adventure · Puzzle Platformer

The Pedestrian
Shared: Puzzle Platformer · Puzzle · Platformer

Moonleap
Shared: Puzzle Platformer · Puzzle · Strategy